Make your band and Promote it on social media networks like MySpace, Facebook, Twitter and google plus is a woderful idea.

But You can learn about more at Inspire Music Signup on Facebook and Twitter. Don't give your band an impossible name like "Marching Band Compositions" because nobody will really find for that in bands. Try to give your band a classic name people will search for like "New Marching Band Music" or something like that.